Which of the following is not a donor atom?
Aluminium
Aluminum is not a donor atom. Phosphorus, antimony and arsenic act as donor atoms in semiconductors.
Match List-I (Acid) with List-II (Food Source).
Match List-I with List-II.
List-I (Chemical compound) | List-II (Spices)
A. Curcuminoids | 1. Cardamom
B. 1,8-cineole | 2. Black pepper
C. Eugenol | 3. Turmeric
D. Piperine | 4. Cloves
In which year did Langmuir reform the Lewis concept by abandoning the idea of a stable cubical arrangement of the octet and introducing the term ‘covalent bond’?
The energy of a hydrogen molecule in its ground state equilibrium configuration is $-31.7\ eV$.Its dissociation energy is_______________$\ eV$. (Up to one decimal place)
Which of the following molecules has T-shaped geometry?
In which of the following species number of s and p bonds is same?